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Traffic signals are designed to ensure safe and orderly flow of traffic,
Protect pedestrians and vehicles at busy intersections and reduce the severity
and frequency of accidents between vehicles entering intersections.
Previous chapters discussed some important design principles such as:
(i) Phase Design
(ii) Cycle Time Determination
(iii) Green Splitting
(iv) Performance Evaluation
This chapter we will discuss some special requirements in the signal design such
as:
(i) Pedestrian crossing requirement
(ii) Interval design,
(iii) Effect of tuning vehicles, and
(iv) Lane utilization.
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